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Finding the Fourth Proportional to 2,682.48, 3,702.16 and 1,800.08

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Solution

The fourth proportional to 2,682.48, 3,702.16 and 1,800.08 is: 2,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.48 : 3,702.16 = 1,800.08 : x
  2. Step 2: Convert to fraction form
    2,682.48/3,702.16 = 1,800.08/x
  3. Step 3: Cross multiply
    2,682.48x = 3,702.16 × 1,800.08
  4. Step 4: Simplify right side
    2,682.48x = 6,664,184.17
  5. Step 5: Solve for x
    x = 6,664,184.17/2,682.48
  6. Step 6: Final answer
    x = 2,484.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.